mirror of
https://github.com/love2d/megasource.git
synced 2026-08-17 03:02:49 +02:00
Update OpenAL Soft to 1.18.2
This commit is contained in:
@@ -27,17 +27,15 @@
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#include <stdio.h>
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#include <assert.h>
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#include <SDL_sound.h>
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "AL/alext.h"
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#include "common/alhelpers.h"
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#include "common/sdl_sound.h"
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static LPALBUFFERSAMPLESSOFT alBufferSamplesSOFT = wrap_BufferSamples;
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static LPALISBUFFERFORMATSUPPORTEDSOFT alIsBufferFormatSupportedSOFT;
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static LPALSOURCEDSOFT alSourcedSOFT;
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static LPALSOURCE3DSOFT alSource3dSOFT;
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static LPALSOURCEDVSOFT alSourcedvSOFT;
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@@ -52,47 +50,63 @@ static LPALGETSOURCE3I64SOFT alGetSource3i64SOFT;
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static LPALGETSOURCEI64VSOFT alGetSourcei64vSOFT;
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/* LoadBuffer loads the named audio file into an OpenAL buffer object, and
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* returns the new buffer ID. */
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* returns the new buffer ID.
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*/
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static ALuint LoadSound(const char *filename)
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{
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ALenum err, format, type, channels;
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ALuint rate, buffer;
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size_t datalen;
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void *data;
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FilePtr sound;
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Sound_Sample *sample;
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ALenum err, format;
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ALuint buffer;
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Uint32 slen;
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/* Open the audio file */
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sound = openAudioFile(filename, 1000);
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if(!sound)
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sample = Sound_NewSampleFromFile(filename, NULL, 65536);
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if(!sample)
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{
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fprintf(stderr, "Could not open audio in %s\n", filename);
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closeAudioFile(sound);
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return 0;
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}
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/* Get the sound format, and figure out the OpenAL format */
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if(getAudioInfo(sound, &rate, &channels, &type) != 0)
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if(sample->actual.channels == 1)
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{
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fprintf(stderr, "Error getting audio info for %s\n", filename);
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closeAudioFile(sound);
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return 0;
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if(sample->actual.format == AUDIO_U8)
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format = AL_FORMAT_MONO8;
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else if(sample->actual.format == AUDIO_S16SYS)
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format = AL_FORMAT_MONO16;
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else
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{
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fprintf(stderr, "Unsupported sample format: 0x%04x\n", sample->actual.format);
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Sound_FreeSample(sample);
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return 0;
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}
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}
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format = GetFormat(channels, type, alIsBufferFormatSupportedSOFT);
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if(format == AL_NONE)
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else if(sample->actual.channels == 2)
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{
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fprintf(stderr, "Unsupported format (%s, %s) for %s\n",
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ChannelsName(channels), TypeName(type), filename);
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closeAudioFile(sound);
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if(sample->actual.format == AUDIO_U8)
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format = AL_FORMAT_STEREO8;
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else if(sample->actual.format == AUDIO_S16SYS)
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format = AL_FORMAT_STEREO16;
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else
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{
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fprintf(stderr, "Unsupported sample format: 0x%04x\n", sample->actual.format);
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Sound_FreeSample(sample);
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return 0;
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}
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}
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else
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{
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fprintf(stderr, "Unsupported channel count: %d\n", sample->actual.channels);
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Sound_FreeSample(sample);
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return 0;
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}
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/* Decode the whole audio stream to a buffer. */
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data = decodeAudioStream(sound, &datalen);
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if(!data)
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slen = Sound_DecodeAll(sample);
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if(!sample->buffer || slen == 0)
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{
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fprintf(stderr, "Failed to read audio from %s\n", filename);
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closeAudioFile(sound);
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Sound_FreeSample(sample);
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return 0;
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}
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@@ -100,17 +114,15 @@ static ALuint LoadSound(const char *filename)
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* close the file. */
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buffer = 0;
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alGenBuffers(1, &buffer);
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alBufferSamplesSOFT(buffer, rate, format, BytesToFrames(datalen, channels, type),
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channels, type, data);
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free(data);
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closeAudioFile(sound);
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alBufferData(buffer, format, sample->buffer, slen, sample->actual.rate);
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Sound_FreeSample(sample);
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/* Check if an error occured, and clean up if so. */
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err = alGetError();
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if(err != AL_NO_ERROR)
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{
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fprintf(stderr, "OpenAL Error: %s\n", alGetString(err));
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if(alIsBuffer(buffer))
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if(buffer && alIsBuffer(buffer))
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alDeleteBuffers(1, &buffer);
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return 0;
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}
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@@ -125,15 +137,16 @@ int main(int argc, char **argv)
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ALdouble offsets[2];
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ALenum state;
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/* Print out usage if no file was specified */
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/* Print out usage if no arguments were specified */
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if(argc < 2)
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{
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fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
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fprintf(stderr, "Usage: %s [-device <name>] <filename>\n", argv[0]);
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return 1;
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}
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/* Initialize OpenAL with the default device, and check for EFX support. */
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if(InitAL() != 0)
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/* Initialize OpenAL, and check for source_latency support. */
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argv++; argc--;
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if(InitAL(&argv, &argc) != 0)
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return 1;
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if(!alIsExtensionPresent("AL_SOFT_source_latency"))
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@@ -157,18 +170,16 @@ int main(int argc, char **argv)
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LOAD_PROC(alGetSourcei64SOFT);
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LOAD_PROC(alGetSource3i64SOFT);
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LOAD_PROC(alGetSourcei64vSOFT);
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if(alIsExtensionPresent("AL_SOFT_buffer_samples"))
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{
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LOAD_PROC(alBufferSamplesSOFT);
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LOAD_PROC(alIsBufferFormatSupportedSOFT);
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}
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#undef LOAD_PROC
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/* Initialize SDL_sound. */
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Sound_Init();
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/* Load the sound into a buffer. */
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buffer = LoadSound(argv[1]);
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buffer = LoadSound(argv[0]);
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if(!buffer)
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{
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Sound_Quit();
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CloseAL();
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return 1;
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}
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@@ -194,10 +205,11 @@ int main(int argc, char **argv)
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} while(alGetError() == AL_NO_ERROR && state == AL_PLAYING);
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printf("\n");
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/* All done. Delete resources, and close OpenAL. */
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/* All done. Delete resources, and close down SDL_sound and OpenAL. */
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alDeleteSources(1, &source);
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alDeleteBuffers(1, &buffer);
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Sound_Quit();
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CloseAL();
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return 0;
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